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Experience Level
Senior
Qualifications
Proven experience with PHP and Symfony. A degree is not mandatory, but strong expertise is essential. Ability to work independently as well as collaboratively in a team. Strong problem-solving skills and a proactive attitude towards development. Excellent communication skills in English; knowledge of Dutch is a plus.
About the job
Are you seeking a flexible remote work environment as a PHP developer?Are you passionate about the product and eager to make an impact? Do you want to grow alongside a young and close-knit scale-up in the SaaS sector? If so, you might be the PHP Backend Developer we’re looking for at Optios.
Optios is an ambitious company with over a decade of experience in the hairdressing and beauty sector. We have evolved from a start-up to a thriving scale-up, actively expanding across various countries and markets. As we continue to grow, we are in need of an experienced PHP developer to join our team.
Job Responsibilities
You will contribute to our in-housesoftware platform built with PHP and Symfony, developing new features.
You will receive customer feedback and ensure that clients can utilize the software to its fullest potential.
In meetings, you will discuss potential improvements for the platform and communicate the progress of the software to the rest of the team alongside your fellow developers.
About Optios
Optios is a rapidly expanding international company with over 10 years of experience in the hair and beauty industry. Our growth trajectory from a startup to a scale-up is driven by our commitment to innovation and customer satisfaction. We are looking for talented individuals to join our journey and help us shape the future of our industry.
Jobgether is seeking a Senior Backend Developer with strong Node.js skills for a partner company. This position is based in the Netherlands and supports remote work arrangements. Role overview This role centers on developing and maintaining large-scale digital financial products for users around the world. The work involves enhancing the core platform archit…
Role overview Jobgether is searching for a Senior Node.js Backend Developer in the Netherlands for a partner company. This remote-first role centers on building and maintaining backend systems for digital finance services used worldwide. What you will do Create secure and scalable backend systems to support global digital finance products. Design and maintain real-time infrastructure and APIs for essential financial services. Collaborate with engineers across multiple regions to deliver reliable, high-impact solutions. Work on backend architecture, distributed systems, and performance improvements. Grow technical skills while contributing to products used by customers around the world. Requirements Proven experience as a Node.js backend developer with a history of building dependable infrastructure. Ability to solve complex technical problems and deliver scalable solutions. Comfortable working in a remote-first culture that values autonomy, ownership, and innovation. Enjoys collaborating with skilled engineers and making an impact through technology. Location Based in the Netherlands. This is a remote-first position.
Are you eager to join a dynamic team where your coding skills can have a profound impact? If you are a dedicated developer who thrives on solving intricate technical problems, we invite you to be part of our Core team and help us innovate the Momo platform! As a Senior Backend Developer, you will be crucial in the design, development, and maintenance of our essential backend services utilizing Node.js and TypeScript. Your expertise in Domain-Driven Design (DDD) will empower you to craft robust and scalable systems. Additionally, you will mentor junior developers and advocate for best practices within the team, fostering an environment of growth and collaboration.Who is Momo Medical?Momo Medical is an ambitious and rapidly expanding scale-up based in Delft, tackling one of society's most pressing challenges: the future of (elderly) care. Over the next decade, the demand for care is set to double, coinciding with a 30% retirement rate among the current workforce. Our innovative solutions aim to alleviate the pressure on caregivers while enhancing the quality of care, thereby improving the lives of nursing home residents and increasing job satisfaction among caregivers.Key Benefits of the Position Access to a modern tech stack and a laptop of your choice. Opportunities for contribution, learning, and professional growth. Collaborate with cross-functional teams to deliver high-quality software. Enjoy a hybrid work model, with at least 4 days a week in our Delft office, working alongside a multidisciplinary team committed to excellence. Our technology stack includes Node.js, TypeScript, and AWS cloud services.Your ResponsibilitiesIn this role, you will design and develop high-performance backend services using Node.js and TypeScript, ensuring that the Momo App receives timely notifications and real-time data from various sensors.Implement Domain-Driven Design principles to create maintainable and scalable architectures.Mentor junior developers and promote best practices within the team.Collaborate with cross-functional teams to ensure high-quality software delivery.
About UsFlosum is a thriving, self-sustaining B2B SaaS company that has established itself as a leader in delivering Salesforce-native DevSecOps, Data Protection, and Security solutions. Our platform is trusted by Fortune 500 companies across highly regulated sectors such as financial services, healthcare, government, and insurance.Unlike typical startups that focus on rapid growth and superficial metrics, we have achieved profitability through our strategic approach. As a Salesforce Summit Partner and recipient of the Innovation Award, we proudly stand shoulder to shoulder with the giants of enterprise software.Our solutions are entirely built on the Salesforce platform, catering to enterprises that demand uncompromising standards in security, compliance, and reliability.Purpose of This RoleAs we embark on an ambitious growth journey, expanding our product offerings and enhancing our platform capabilities, we are in search of seasoned Node.js developers. This role demands a high level of ownership over critical components of our architecture, with the responsibility to deliver production code that our enterprise clients rely on daily.This is not merely a position to fill; you will collaborate directly with engineering leaders, product managers, and the CEO. Your contributions will have tangible impacts, your insights will be valued, and your craftsmanship will be evident to our customers.Your ContributionsDesign and implement high-performance backend services and APIs that drive enterprise-grade SaaS applications.Create scalable, secure Node.js microservices and integrations within the Salesforce ecosystem.Develop modern front-end experiences utilizing Vue.js and TypeScript, tailored for demanding enterprise users.Enhance CI/CD pipeline tooling, automation frameworks, and improve developer productivity infrastructure.Manage real-time data processing and event-driven architectures that handle sensitive enterprise data at scale.
Join Deliverect, a pioneering force in commerce, where our API-first platform is transforming the food and retail industries. We provide businesses with a connected suite of solutions that simplifies operations and enhances revenue streams. Be part of a mission that empowers enterprises to sell seamlessly and deliver effortlessly in a dynamic global market.Department Focus:The Product Department at Deliverect is leading the digital ordering revolution, striving to deliver innovative solutions to the global marketplace. Our talented team of engineers, designers, and product managers are dedicated to creating tools that enable businesses to flourish in an ever-evolving digital landscape, optimizing digital ordering for both delivery and on-premise services. We are committed to crafting user-friendly, reliable, and scalable technology that streamlines operations and elevates customer experiences, playing a crucial role in the success of businesses worldwide. Innovation is at the core of our department, driving every initiative we undertake.Your Impact:As a Senior Backend Developer at Deliverect, you will be instrumental in developing and maintaining our platform’s core services. You will be responsible for building and scaling backend systems that optimize order management and facilitate seamless integrations for our clients. Your contributions will directly influence the stability and performance of our platform, ensuring a dependable experience for thousands of restaurants globally.*This position is a full-time, hybrid role with flexible work arrangements, requiring 3 days in our Amersfoort office and 2 days of remote work.
Join our innovative team at dev2 as a Senior Backend Developer specializing in AdTech. In this role, you will be responsible for designing and implementing robust backend systems that drive our advertising technology solutions. You will work closely with cross-functional teams to ensure seamless integration and performance of applications.
Full-time|€5K/yr - €7K/yr|On-site|Maarssen, Utrecht, Nederland
Join us as a Senior Backend Developer!Are you a skilled backend developer eager to make a significant impact in a rapidly growing and innovative organization? FinancialLease.nl is seeking a passionate Senior Backend Developer to strengthen our Digital Innovations team and contribute to building robust and scalable solutions!About UsAt FinancialLease.nl, we go beyond leasing; we create intelligent digital solutions that simplify complexity. Our Digital Innovations team plays a central role in developing scalable, secure, and user-friendly systems that support the entire organization. We work with a modern tech stack, including C#, ASP.NET Core, TypeScript, React, React Native, and Next.js.We believe in choosing the right tools for the right challenges and prioritize clean, maintainable, and scalable code over quick, temporary fixes. Our engineers are valued partners within the business, directly contributing to the success of our services.Your RoleAs a Senior Backend Developer, you will be responsible for the development and maintenance of our backend systems and APIs. You will collaborate closely with the engineering team to build new features, enhance performance, and ensure the quality of our codebase. This is a hands-on role where you will work across the entire backend stack and actively influence technical decisions.You will join a team that prioritizes quality and structure, striving for sustainable solutions that are well-founded from the ground up.
At Speakap, we are on a mission to revolutionize communication for frontline and deskless workers through our innovative mobile-first Employee Experience Platform. Our platform empowers over 600 clients and 400,000 users in diverse sectors such as retail, hospitality, and healthcare to stay connected, informed, and engaged directly from their smartphones, eliminating the need for traditional email and desktop communications.If you have a passion for crafting clean, scalable, and secure code and enjoy tackling challenges while bringing creative ideas to life, we invite you to join our dynamic team. Help us redefine the future of work and connectivity.What You Will DoYour main responsibility will be to develop and enhance our API, which serves as the backbone of our platform, facilitating communication between web frontends, mobile applications, and third-party services.Collaborate with cross-functional teams to implement new features and enhance existing ones.Ensure the security and performance of our services under all conditions.Engage in architectural discussions to influence technology choices and problem-solving strategies.What You’ll BringA Bachelor’s or Master’s degree along with over 5 years of experience in building scalable, high-performance, multi-tier software while adhering to SOLID principles and design patterns in an agile environment.A strong collaborative spirit, excellent problem-solving abilities, and a commitment to writing clean, maintainable code.Proficiency in PHP 8, ECMAScript 10+, TypeScript, modern frameworks (Symfony 6+ preferred), Docker, CI/CD, Git, and shell scripting.Experience with relational databases (MySQL, MariaDB), automated testing (PHPUnit, Behat), and performance monitoring with DataDog.Familiarity with AWS services (S3, SQS, Lambda, etc.), Linux environments, and network protocols; knowledge of Elasticsearch, Java (8/9), Redis, Lua, NGINX, or OAuth 2 is a plus.A passion for automation, ensuring thorough test coverage, and optimizing repetitive tasks for efficiency.What We OfferAt Speakap, we are more than just a workplace; we are a supportive team that values your growth, ideas, and well-being.
Are you seeking a flexible remote work environment as a PHP developer? Are you passionate about the product and eager to make an impact? Do you want to grow alongside a young and close-knit scale-up in the SaaS sector? If so, you might be the PHP Backend Developer we’re looking for at Optios.Optios is an ambitious company with over a decade of experience in the hairdressing and beauty sector. We have evolved from a start-up to a thriving scale-up, actively expanding across various countries and markets. As we continue to grow, we are in need of an experienced PHP developer to join our team.Job ResponsibilitiesYou will contribute to our in-house software platform built with PHP and Symfony, developing new features.You will receive customer feedback and ensure that clients can utilize the software to its fullest potential.In meetings, you will discuss potential improvements for the platform and communicate the progress of the software to the rest of the team alongside your fellow developers.
Full-time|On-site|Eindhoven, Noord-Brabant, Nederland
Join Our Team as a Senior Backend Developer (C#)Located in the vibrant campus of the Technical University of Eindhoven, we at wolfpackit are looking for a seasoned C#/.NET developer who is passionate about technology and making a significant impact. In this role, you will develop software solutions that truly make a difference in sectors like Healthcare, Education, and Technology while also taking on a mentoring role within a close-knit team.Your Role:As a Senior Backend Developer, you will be part of a cross-functional Scrum team, collaborating with other developers, Product Owners, and UX Designers. You will deliver high-quality backend solutions and play a crucial role in technical decision-making and guiding junior colleagues.Key Responsibilities:Take technical ownership of backend projects from architecture to delivery.Write clean, maintainable, and tested code in C#/.NET.Collaborate closely with Tech Leads, Product Owners, and UX Designers to define features and technical direction.Mentor junior developers through Pair Programming and Code Reviews.Contribute to architectural decisions, project setups, QA strategies, etc.Engage directly with clients to understand their needs and deliver tailored solutions.Support the Tech Lead in implementing best practices in Git workflows, CI/CD pipelines, and quality assurance.What You’ll Share With Your Friends:“I work in a multidisciplinary team developing custom software for a variety of clients. As a Senior Developer, I engage from the outset: I discuss project direction with the Product Owner, Tech Lead, and UX Designer. While coding is a significant part of my role, I also find great satisfaction in Pair Programming and mentoring my teammates. When someone faces challenges, they often turn to me for advice – I enjoy collaborating to overcome hurdles and ensure quality.”
Full-time|Remote|Amsterdam, Netherlands; Berlin, Germany; London, United Kingdom; Prague, Czech Republic; Remote - Europe
Why Join Nebius?Nebius is pioneering a transformative era in cloud computing, aimed at empowering the global AI economy. We provide innovative tools and resources that enable our clients to tackle real-world challenges and revolutionize industries without incurring significant infrastructure expenses or the necessity of establishing large in-house AI/ML teams. Our team operates at the forefront of AI cloud infrastructure, collaborating with some of the most knowledgeable and inventive leaders and engineers in the industry.Our Work EnvironmentHeadquartered in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D centers across Europe, North America, and Israel. Our workforce of over 1,400 includes more than 400 proficient engineers, all possessing extensive expertise in both hardware and software engineering, complemented by an in-house AI R&D team.About Token FactoryToken Factory is dedicated to developing a cutting-edge platform that empowers companies to effortlessly integrate AI into their products and operational workflows. Our vision is to establish a robust, open, and scalable alternative for deploying and managing AI systems, thereby enhancing accessibility to advanced AI infrastructure for both burgeoning startups and established enterprises.We collaborate with a diverse clientele, ranging from AI-first organizations to renowned technology firms, assisting them in managing AI workloads reliably at scale. Our objective is to become the leading platform for high-performance AI inference, ensuring consistent latency, exceptional reliability, and the capacity to scale in response to demanding production requirements.Customer feedback is integral to our development approach; our iterative process is closely aligned with practical use cases.
Full-time|€5K/mo - €6.5K/mo|Hybrid|Heerhugowaard, Noord-Holland, Nederland
Join VWE Automotive as a Senior Backend Developer in Heerhugowaard, working in a hybrid model with 32 to 38 hours per week, earning between €5,000 and €6,800 monthly.In this pivotal role, you will be instrumental in designing and developing our software solutions. You will blend strong technical vision with hands-on coding, contribute actively to architectural decisions, development standards, and the ongoing evolution of our platforms.VWE Automotive empowers businesses in the mobility sector with intelligent data and software solutions, assisting automotive companies, importers, and governments by making vehicle data accessible and automating processes. Our team of over 150 colleagues is dedicated to creating innovative products that make a significant impact in the automotive industry.Your Impact as a Senior DeveloperAre you an experienced developer who enjoys diving into software architecture while also contributing to development? This position allows you to leverage your technical expertise!You will work on advanced applications for leading players in the automotive sector, combining content development with guiding and maintaining our software architecture. Enjoy a balanced work-life with the flexibility of working from home and in our Heerhugowaard office.Your responsibilities include:Developing and maintaining backend software for our applications.Identifying, developing, and implementing technical improvements and development standards.Contributing to software architecture and making informed technical decisions.Reviewing solutions for completeness, scalability, and feasibility.Collaborating intensively with developers, product owners, and managers.What We OfferA gross salary ranging from €5,000 to €6,500 per month, based on your knowledge and experience.A full-time position of 38 hours per week.The possibility to work from home.A budget to set up your home office effectively.A laptop for your work.26 vacation days plus the option to purchase additional days.Travel expense reimbursement.A pleasant workplace in our modern office, easily accessible via public transport and car, just a five-minute walk from the station.
Full-time|€5K/yr - €6.5K/yr|Remote|Werken op afstand
At Staxxer, we simplify complex European VAT, compliance, and accounting for e-commerce businesses.We develop software that fully automates OSS 2.0, European VAT, EPR, and accounting. What feels like a one-click solution for our clients is powered by a robust, scalable system that processes millions of transactions accurately across borders. Our focus is on building high-volume, data-driven backends where performance, reliability, and simplicity are paramount. We translate intricate regulations into solid logic that is correct, scalable, and efficient.Since 2021, over 1,500 European e-commerce sellers have relied on our systems daily. We are experiencing rapid growth, developing more in-house, and automating wherever possible. Consequently, we are looking for a Senior Backend Developer who enjoys building large systems, making informed decisions, and simplifying complexity into logical, maintainable structures.
About ClickHouseFeatured in the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands out as a pioneering and rapidly expanding private cloud enterprise. With a diverse clientele of over 3,000 and an Annual Recurring Revenue (ARR) growth exceeding 250% year-over-year, ClickHouse is a leader in real-time analytics, data warehousing, observability, and AI workloads.The company’s remarkable growth trajectory was recently affirmed by a $400 million Series D financing round. In the last quarter alone, major clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have adopted or expanded their use of our platform. They join a robust roster of AI trailblazers and globally recognized brands like Meta, Cursor, Sony, and Tesla.We are dedicated to transforming the data utilization landscape for enterprises. Join us on this exciting journey!Be a part of our mission to revolutionize Observability for Developers! We are redefining how engineers monitor, debug, and scale production applications with HyperDX, now integrated within ClickHouse. HyperDX is an open-source platform that seamlessly converts telemetry data into actionable insights. Picture an ecosystem where logs, metrics, traces, and session replays converge to rapidly identify root causes. If you've ever been awakened at 2 AM, frustrated by Grafana, Datadog, or Elastic for not providing the answers you need, you will understand the challenge we are addressing. Now, you have the opportunity to help us tackle this issue.We are seeking a Senior Backend Engineer to assist in building a petabyte-scale, high-performance observability platform with a strong emphasis on creating an exceptional developer experience (the DX in HyperDX).
jobgether is looking for a Senior Backend Engineer to focus on B2B contract solutions. This position involves building and maintaining backend systems that help drive business operations in the Netherlands. Role overview The Senior Backend Engineer will work on services that support B2B contract workflows. Collaboration with the front-end team is a key part of the job, ensuring data moves smoothly and applications respond reliably. What you will do Develop and maintain backend services that manage B2B contract processes Coordinate with front-end developers to support seamless data integration Help improve system performance and reliability Location This role is based in the Netherlands.
dept offers an internship for a Backend Developer in Amsterdam or Rotterdam. This position gives aspiring developers the chance to gain hands-on experience and learn from seasoned professionals. Role overview The internship centers on supporting backend development for active projects. Interns will join a team of experienced colleagues and take part in real-world software work. What you will do Assist in building and maintaining backend systems for ongoing projects Collaborate with a team of skilled professionals Share ideas and contribute code to development efforts
Are you a seasoned Backend Developer passionate about crafting microservices and APIs? Join Pon.Bike, the world's largest bicycle manufacturer, and contribute to innovative technologies that enhance the cycling experience.About Pon.BikeAt Pon.Bike, you will be part of a dynamic Agile team of 25 specialists dedicated to continuous improvement and innovation. We are developing a microservice architecture using Nest.js and TypeScript, focusing on data integration platforms for brands like Gazelle, Kalkhoff, and Focus. You will collaborate closely with departments such as Master Data Management and Security & Privacy to develop and maintain our data standards.Your Role as a Backend DeveloperAs a member of the Data Integration Team, you will share responsibility for developing the Pon.Bike Integration Platform, maintaining data connections between brand-specific applications and ERP systems. This involves creating scalable, reusable high-performance code and contributing to the evolution of our Enterprise Architecture.Additionally, you will:Design and implement microservices and APIs.Build and maintain data connections for websites, CRM systems, and external partners.Proactively contribute to team objectives, ensuring efficient collaboration and high performance standards."You get the freedom to bring your ideas to life." - Berry (Senior Developer)Your BackgroundYou are a passionate developer energized by building beautiful solutions. You continuously learn and keep a close eye on the community. You can build on your background:Extensive experience in software development within a microservice architecture.Proficient in Nest.js and TypeScript.Experience with MongoDB, Postgres, and ElasticSearch is a plus.Knowledge of API Gateways, particularly Google Apigee, is a plus.Experience with Event Sourcing as we expand our platform is a plus.Coaching skills to support team members.A keen business insight to find customer-centric solutions.
Join Us in Shaping the Future of Secure Personal Data SharingAt Ockto, our vision is to redefine the standards for simple, secure, and ethical personal data sharing. Integral to essential digital processes such as mortgage applications and rental agreements, we empower individuals to manage and share their sensitive information with absolute confidence.To fuel our next growth phase, we are in search of passionate backend engineers eager to enhance and broaden our service capabilities.Are you someone who:Continuously seeks to expand your knowledge and skills?Is dedicated to delivering high-quality, scalable software solutions?Understands the ethical significance of personal data management?If this resonates with you, you could be the next Ocktonian we want to welcome.The Role: Senior Backend EngineerAs we expand rapidly, we are pushing the boundaries in secure, cloud-native digital services. We’re searching for a Senior Backend Engineer who thrives on innovation and making an impact. You will collaborate with a diverse team, directly contributing to our SaaS platform, utilizing TypeScript and .NET technologies within a public cloud environment.At Ockto, you will experience:An ambitious engineering culture that prioritizes trust, autonomy, and ownership.A team of bright and approachable colleagues who foster knowledge sharing and collective growth.A product delivering genuine societal value—enabling users to manage their personal data securely and effortlessly.Your ResponsibilitiesDesign, develop, and maintain cloud-native backend services that drive the Ockto platform.Contribute to a robust and scalable architecture utilizing TypeScript (Node.js) and .NET Core in a high-security context.Engage in cross-functional teams that emphasize shared ownership, quality, and continuous improvement.
Are you ready to transform the banking experience? At bunq, we strive to simplify lives and redefine banking for everyone. This is your opportunity to contribute to the future of digital banking, creating the ultimate app experience. Leverage your coding skills to develop and enhance the Bank of The Free, ensuring seamless, secure, and flawless functionality for our users.Take OwnershipAs a Senior Backend Engineer at bunq, you will lead our backend development, providing users and employees with unmatched stability and performance.Collaborate with our product team to design and implement robust backend structures for innovative user-facing features, utilizing technologies such as MySQL, Redis, Elasticsearch, and PHP.Support the growth of our backend team by mentoring junior developers and helping them reach their full potential.Oversee high-availability production systems and assist other departments by developing and maintaining efficient, scalable processes.
Full-time|On-site|Eindhoven, Noord-Brabant, Nederland
Location: Eindhoven, on the campus of the Technical University of EindhovenWeekly Working Hours: Full-time [40 hours]Required Education Level: HBO or University | Computer ScienceAt Wolfpack, we take pride in the software we create for our clients. This pride is woven into our culture, encapsulated in our new slogan: “Pack of Hungry Creators.” These three pillars represent our core values: Teamwork & Trust, Learning & Dedication, Pride & Creation. Do these values resonate with you? If so, keep reading!As a Mid-Level Backend Developer (C#), you will collaborate with fellow developers and product owners to deliver high-quality technical solutions and implementations that you can be proud of in a timely manner.What You Tell Your Friends You Do:"As a mid-level developer, I support junior developers by providing advice and constructive feedback on proposed solutions. Sharing knowledge and experience helps everyone grow. My day starts with catching up with the rest of the pack, followed by a daily stand-up. When someone hits a roadblock, I’m eager to help! I design and code scalable, event-driven microservices in C#, while staying current with the latest developments. Continuous learning is essential! Simultaneously, I work on cloud solutions in Azure. Data has always been crucial for our clients, and by 2025, it will be even more critical. I brainstorm with my colleagues to explore potential solutions that add value for our clients. At the end of the day, we unwind over a beer, discussing how we tackled our challenges."But wait… what does that look like day-to-day?You are a reliable team member who knows how to inspire colleagues about new technologies.You implement more complex elements of a project in C#.You investigate new possibilities with cloud solutions and can persuade teammates about new features that provide data-driven value for our current and future clients.You ensure quality control within the team and establish standards.You work closely with other developers and project managers, continuously developing your skills.Develop, develop, develop, of course!
